"Teach You a Lesson" continues to dominate Netflix's global rankings a month after its debut as one of the streamer's most-watched non-English TV titles. Across its 10-episode run, the show follows the fictional Educational Rights Protection Bureau as it battles the systemic violence and corruption plaguing South Korea's academic institutions. Rather than leaning into conventional K-drama romance or slice-of-life healing tropes, the series thrives on a mix of revenge, justice and satisfying payo